CN206189893U - Beam slab is with interim off -load structure - Google Patents
Beam slab is with interim off -load structure Download PDFInfo
- Publication number
- CN206189893U CN206189893U CN201621276285.2U CN201621276285U CN206189893U CN 206189893 U CN206189893 U CN 206189893U CN 201621276285 U CN201621276285 U CN 201621276285U CN 206189893 U CN206189893 U CN 206189893U
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- Prior art keywords
- beam slab
- plate
- pulling force
- load
- slab system
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Abstract
The utility model discloses a beam slab is with interim off -load structure, this structure includes the frame, the frame bottom through the connecting piece with roof beam or board or beam slab system connect with through the connecting piece to roof beam or board or beam slab system provide the pulling force, it is right to realize roof beam or the off -load of board or beam slab system, the bottom of frame with the last one -level beam column construction of roof beam or board or beam slab system connect and transmit for last one -level beam column construction with the uninstallation that will dump, through the setting of frame, provide ascending pulling force by frame coupled beam or board or beam slab system to the load that bears roof beam or board or beam slab system through the frame transmits the last one -level beam column construction for roof beam or board or beam slab system, need not to set up the support at roof beam or board or beam slab system bottom, and factor of safety has obtained the assurance.
Description
Technical field
The utility model is related to building science and technology field, more particularly to a kind of interim unloading-structure of beam slab.
Background technology
In structural engineering strengthening reconstruction project, sometimes because considering for structural strengthening, transformation etc., it is necessary to building
The components such as the beam slab of structure are reinforced or underpined.Reinforce or the load on removal beam slab is answered before underpining, before making reinforcing or underpining
Material stress afterwards is coordinated, and reduces the phenomenon of Stress resort.
In existing construction technology, typically doing the method for supporting using beam slab bottom carries out off-load, but bottom support is unloaded
Lotus has the disadvantage that:
When doing bottom support, actually the beam slab load of two-layer is supported on next layer of beam slab simultaneously, lower floor's beam slab
Bearing capacity be typically all short of, supported if now needing to do dried layer again in lower floor's beam slab bottom, or even directly support
Basis;Or lower floor's beam slab is first carried out into consolidation process, but this equally exists the unloading before consolidation process.Meanwhile, bottom
The presence of support have impact on following all layer normal and use, if support is collided when using can also influence the safety of off-load beam slab.
Therefore, because bottom support off-load technology has larger limitation, it would be desirable to design new relief arrangement and side
Method.
Utility model content
In order to make up in building structure strengthening transformation, floor plate reinforcement or the deficiency of preceding off-load technology is underpined, it is ensured that beam slab
Reinforce or underpinning construction quality and use safety, the purpose of the utility model first is to provide a kind of interim unloading-structure of beam slab,
The structure provides pulling force by framework to beam or plate or beam slab system, reaches the purpose of quick relief, uses safety coefficient
It is high.
In order to reach above-mentioned purpose, first technical scheme that the utility model is provided:
A kind of interim unloading-structure of beam slab, including framework, framework is by connector and beam or plate or beam slab system
Connection provides pulling force with by connector to described beam or plate or beam slab system, realize to described beam or plate or
The off-load of beam slab system, the bottom of framework is connected to incite somebody to action with the upper level beam column construction of described beam or plate or beam slab system
The load of removal passes to upper level beam column construction, and framework now is a structural member for stabilization.
Above-mentioned unloading-structure, provides pulling force, and will be unloaded by framework by framework to beam or plate or beam slab system
The load for removing passes to upper level beam column construction, and the upper level supporting construction of such as beam is plate, when off-load is carried out to beam, framework
Bottom is attached with plate;The upper level supporting construction of plate is beam slab system, when off-load is carried out to plate, the bottom of framework and beam
Plate body system is attached;The upper level supporting construction of beam slab system is column, when off-load is carried out to beam slab system, the bottom of framework
Portion is connected with column.
Or, the top of the framework includes the supporting part being hinged at two, and the bottom of supporting part is provided with tension rib at two, draws
Knot muscle is connected with for adjusting framework to the jack of beam or plate or beam slab system pulling force size, under the cooperation of tension rib
Whole framework turn into one can bearing load space structure part.In the structure using framework as can bearing load structure
Part, framework provides pulling force and realizes off-load to beam or plate or beam slab system, simple and convenient, wherein, beam slab system include beam and
Plate, usual beam is arranged at surrounding or the bottom of plate.
Wherein, the framework includes top rotating shaft, and top rotating shaft is connected with connector, and four sides are fixed in the rotating shaft of top
Beam, four curb girders are the four edges of triangular pyramid shape, and two adjacent curb girders are herringbone structure, the bottom of a supporting part and
Bottom support bracket is fixed, that is to say, that supporting part is the herringbone structure being made up of two curb girders.
The bottom support bracket surface is provided with support, and bottom and the support of curb girder are realized fixing by bottom rotating shaft.
Through hole is provided with the bottom support bracket, described tension rib is provided with through hole, the setting by tension rib is effective
Ensure framework as one it is complete can removal load space structure part.
Said structure top rotating shaft is fixed with connector, realizes connection of the top to beam or plate or beam slab system, is realized
Pulling force is provided beam or plate or beam slab system, and by bottom rotating shaft, whole relief arrangement is made in the setting of bottom support bracket
Lotus main body is held for one, for providing pulling force to beam or plate or beam slab system.
Tension rib is fixed by anchorage respectively by through hole through the two ends of the bottom support bracket and tension rib, right
When the pulling force size that the tensioning degree i.e. framework of tension rib can be provided is adjusted, set very heavy in one end of tension rib
Top, is tensioned or unclamps framework by adjusting jack, realizes framework to beam or the tune of plate or beam slab system pulling force
It is whole.
Further, the connector is steel wire rope, and steel wire rope upper end fixes with off-load suspension hook, lower end and beam or plate or
Person's beam slab system is fixed.
For convenience framework with beam or plate or beam slab system connection, in described beam or plate or beam slab system
On be fixed with off-load suspension hook, described connector one end is fixed with off-load suspension hook, and the other end is fixed with described top rotating shaft.
Pulling force sensor is set on the connector or the off-load suspension hook, wherein, pulling force sensor can be S types
Pulling force sensor, by the setting of pulling force sensor, pulling force sensor can display frame to beam or plate or beam slab system institute
The size of pulling force is provided, is contrasted with the size of off-load is needed, when the pulling force for providing is less than the size for needing off-load, can be after
It is continuous that tension rib is tensioned by jack.
A kind of unloading method of contignation, using a kind of described interim unloading-structure of beam slab.
Above-mentioned unloading method, comprises the following steps that:
Step 1):It is determined that the beam or plate of off-load or the mode of transfer force of beam slab system are needed, in upper level beam column position
Determine the position line of connector;
Step 2):Bottom support bracket is placed in upper level beam column position, installation frame and off-load suspension hook;
Step 3):Tension rib two ends are each passed through bottom support bracket, one end is fixed with anchorage, and the other end sequentially passes through anchor
Tool, jack base, centre-hole jack and interim anchorage, interim anchorage play a part of tensioning tension rib, jack base
For propping up jack for anchorage leaves installing space, after tensioning is finished, after anchorage installation is in place, interim anchorage and very heavy is removed
Top;
Step 4) off-load suspension hook is reliably connected with the beam or plate or beam slab system for treating off-load, open on suspension hook
Pulling force sensor, suspension hook is tensed after zeroing;
Step 5) regulation jack, supporting part at tensioning two;
Step 6) pulling force sensor is checked, to confirm that beam slab load structure is provided beam or plate or beam slab system
Pulling force, if pulling force is not unsatisfactory for design requirement, continue stretch-draw jack, can be by jack oil return come removal if pulling force is excessive
Part pulling force;
Step 7) adjustment after the completion of, fasten anchorage, remove jack, such total is as space structure system to beam
Or plate or beam slab system provide required pulling force.
The utility model has advantages below:
1) by the setting of framework, upward pulling force is provided to beam or plate or beam slab system by framework, and by frame
The load that beam or plate or beam slab system are carried is passed to frame the upper level beam column construction of beam or plate or beam slab system,
Without setting support in beam or plate or beam slab system bottom, safety coefficient is guaranteed.
2) by the setting of jack and tension rib, tension force effectively can be provided to framework, it is ensured that the stability of framework support.
3) total is simple, and it is high that method implements reliability.
4) by the setting of jack, tension rib and pulling force sensor, can be unloaded actively and quantitatively by calculated in advance result
Lotus, can monitor off-load amount in the strengthening reconstruction project implementation process, can adjust in time if necessary.
Brief description of the drawings
Fig. 1 is the utility model overall structure side view;
Fig. 2 is the integrally-built front view of the utility model;
Fig. 3 is the utility model overall structure diagram;
Fig. 4 is the enlarged diagram of the utility model part-structure;
1. top rotating shaft, 2. framework, 3. bottom support bracket, 4. steel wire rope, 5. off-load suspension hook, 6. tension rib, 7. jack, 8.
Interim anchorage, 9. temporary support, 10. anchorage.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clear, complete description.
A kind of interim unloading-structure of beam slab, including framework, base of frame by connector and described beam or plate or
The connection of person's beam slab system provides pulling force with by connector to described beam or plate or beam slab system, realizes to described beam
Or the off-load of plate or beam slab system, framework be one can bearing load space structure part.Made using framework in the structure
For can bearing load structural member, framework provides pulling force and realizes off-load to beam or plate or beam slab system, simple and convenient.
Wherein, the framework includes top rotating shaft 1, and top rotating shaft 1 is connected with connector, and four are fixed in top rotating shaft 1
Curb girder, four curb girders are the four edges of triangular pyramid shape, and two adjacent curb girders are herringbone structure, the bottom and bottom of curb girder
Bearing 3 is fixed.
The surface of the bottom support bracket 3 is provided with support, and bottom and the support of curb girder are realized fixing by bottom rotating shaft, support bag
Two parallel faggings are included, bottom rotating shaft is fixed through fagging with curb girder.
The tension rib for being tensioned the herringbone structure that opposition is set, drawknot are provided with the bottom support bracket 3
Muscle 6 is provided with two, by the setting of tension rib be effectively ensured framework as one it is complete can removal load space structure
Part, and tension rib 6 setting to the herringbone structure of both sides, that is, framework is realized to be tensioned, it is ensured that power transmission it is effective
Property.
Said structure top rotating shaft 1 is fixed with connector, as shown in Fig. 2 realizing top to beam or plate or beam slab system
Connection, realize providing pulling force to beam or plate or beam slab system.
Through hole is set on bottom support bracket 3, and tension rib 6 is led to by through hole through one end of the bottom support bracket 3 and tension rib 6
Cross anchorage to be connected with jack 7, jack 7 is used to adjust tensile force size, further adjustment framework is to beam or plate or beam
The pulling force of plate body system.
The connector is steel wire rope 4, and in beam or plate or beam slab system perforate, fixed drag hook, steel wire rope 4 can pass through
Drag hook is realized being connected with beam or plate or beam slab system, after the completion of off-load, steel wire rope 4 and drag hook is just torn open
Remove.
For convenience framework with beam or plate or beam slab system connection, in described beam or plate or beam slab system
On be fixed with off-load suspension hook, described connector one end is fixed with off-load suspension hook, and the other end is fixed with described top rotating shaft, steel wire
Rope upper end is fixed with off-load suspension hook, and lower end is fixed with beam or plate or beam slab system.
Pulling force sensor is set on the connector or the off-load suspension hook, wherein, pulling force sensor can be S types
Pulling force sensor, by the setting of pulling force sensor, pulling force sensor can display frame to beam or plate or beam slab system institute
The size of pulling force is provided, is contrasted with the size of off-load is needed, when the pulling force for providing is less than the size for needing off-load, can be after
It is continuous that tension rib 6 is tensioned by jack 7.
The application method of above-mentioned unloading-structure i.e. a kind of unloading method of contignation, comprise the following steps that:
Step 1):It is determined that the beam or plate of off-load or the mode of transfer force of beam slab system are needed, in upper level beam column position
Determine the position location of connector i.e. pulling force point, the position location is typically by beam or the center of plate or beam slab system
Line is determined;
Step 2):Bottom support bracket 3 is placed in upper level beam column position, installation frame and off-load suspension hook;
Step 3):Bottom support bracket 3, one end anchorage 10 is passed through to fix tension rib, the other end sequentially passes through (this of anchorage 10
When the anchorage be relaxed state), temporary support 9, centre-hole jack 7 and interim anchorage 8, as shown in figure 4, temporary support 9 is used
In propping up jack and being the offer installing space of anchorage 10, temporary support 9 is the hollow cylinder that opening is left in a side, opening
For the turnover of installing/dismounting anchorage instrument;
Step 4):Off-load suspension hook 5 is reliably connected with the beam or plate or beam slab system for treating off-load, suspension hook is opened
On pulling force sensor, suspension hook is tensed after zeroing;
Step 5):Stretch-draw jack 7, supporting part at tensioning two;
Step 6):Pulling force sensor is checked, to confirm that beam slab load structure is carried to beam or plate or beam slab system
The pulling force of confession, if pulling force is not unsatisfactory for design requirement, continues stretch-draw jack 7, if pulling force it is excessive can by the oil return of jack 7 come
Removal part pulling force;
Step 7):After reaching design requirement, fixed anchorage 10 removes interim anchorage 8, jack 7 and temporary support 9, this
Sample total provides required pulling force as space structure system to beam or plate or beam slab system;
Step 8):, it is necessary to install temporary support 9, jack 7 and interim anchorage 8 again during dismounting, jack 7 is pushed up slightly
Removing anchorage device after tight, jack blows slowly oil return, loosens tension rib, and this structure is no longer to beam slab off-load.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. the interim unloading-structure of a kind of beam slab, it is characterised in that including framework, framework by connector and beam or plate or
The connection of beam slab system provides pulling force with by connector to described beam or plate or beam slab system, realize to described beam or
The off-load of person's plate or beam slab system.
2. the interim unloading-structure of a kind of beam slab as claimed in claim 1, it is characterised in that the top of the framework includes two
The supporting part that place is hinged, the bottom of supporting part is provided with tension rib at two, tension rib with for adjusting framework to beam or plate or
The jack connection of beam slab system pulling force size.
3. the interim unloading-structure of a kind of beam slab as claimed in claim 2, it is characterised in that the framework includes top turn
Axle, top rotating shaft is connected with connector, and four curb girders are fixed in the rotating shaft of top, and four curb girders are the four edges of triangular pyramid shape,
Two adjacent curb girders are herringbone structure, and the bottom of a supporting part is fixed with a bottom support bracket.
4. the interim unloading-structure of a kind of beam slab as claimed in claim 3, it is characterised in that the bottom support bracket surface is provided with
Support, bottom and the support of curb girder are realized fixing by bottom rotating shaft.
5. the interim unloading-structure of a kind of beam slab as claimed in claim 3, it is characterised in that be provided with the bottom support bracket
Through hole, is provided with described tension rib in through hole.
6. the interim unloading-structure of a kind of beam slab as claimed in claim 5, it is characterised in that the tension rib is through the bottom
The two ends of portion's bearing and tension rib are fixed by anchorage respectively.
7. the interim unloading-structure of a kind of beam slab as claimed in claim 2, it is characterised in that be fixed with unload on said frame
Lotus suspension hook, described connector one end is fixed with off-load suspension hook, and the other end is connected with described beam or plate or beam slab system.
8. the interim unloading-structure of a kind of beam slab as claimed in claim 7, it is characterised in that in the connector or described
Pulling force sensor is set on off-load suspension hook.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621276285.2U CN206189893U (en) | 2016-11-25 | 2016-11-25 | Beam slab is with interim off -load structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621276285.2U CN206189893U (en) | 2016-11-25 | 2016-11-25 | Beam slab is with interim off -load structure |
Publications (1)
Publication Number | Publication Date |
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CN206189893U true CN206189893U (en) | 2017-05-24 |
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ID=58723874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621276285.2U Withdrawn - After Issue CN206189893U (en) | 2016-11-25 | 2016-11-25 | Beam slab is with interim off -load structure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106382019A (en) * | 2016-11-25 | 2017-02-08 | 山东省建筑科学研究院 | Structure and method for temporarily unloading beams and slabs |
-
2016
- 2016-11-25 CN CN201621276285.2U patent/CN206189893U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106382019A (en) * | 2016-11-25 | 2017-02-08 | 山东省建筑科学研究院 | Structure and method for temporarily unloading beams and slabs |
CN106382019B (en) * | 2016-11-25 | 2018-11-20 | 山东省建筑科学研究院 | A kind of beam slab interim unloading-structure and method |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20170524 Effective date of abandoning: 20181120 |
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AV01 | Patent right actively abandoned |